20403013018

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1\times {\mathrm{105467}}^1$

素因数の和:106157

約数の個数: 16

約数和(自身を含む): 30822812064

約数和(自身を除く): 10419799046

約数列:

[1, 2, 197, 394, 491, 982, 96727, 105467, 193454, 210934, 20776999, 41553998, 51784297, 103568594, 10201506509, 20403013018]

約数ペア:

[(1, 20403013018), (2, 10201506509), (197, 103568594), (394, 51784297), (491, 41553998), (982, 20776999), (96727, 210934), (105467, 193454)]